S-Metolachlor
CAS No.: 87392-12-9

Structural Formula:


Mode of action: Selective herbicide, absorbed predominantly by the hypocotyls and shoots; inhibits germination.

Uses: Control of annual grasses (Echinochloa, Digitaria, Setaria, Brachiaria, Panicum and Cyperus spp.) and some broad-leaved weeds (Amaranthus, Capsella and Portulaca spp.) in maize, sorghum, cotton, sugar beet, fodder beet, sugar cane, potatoes, soya beans, peanuts, sunflowers, various vegetables, and pulse crops. Applied pre-plant incorporated, pre-emergence or early post-emergence, at 0.6–1.6 kg/ha. Often used in combination with broad-leaved herbicides, to extend the spectrum of activity.

Setaria Digitaria Lolium Echinochloa

Formulation: 98%TC, 96%EC.

Applications:
Absorption of S-metolachlor is principally via the emerging shoot (coleoptile grasses) though there is also some uptake by the roots. Herbicidal activity is expressed as failure of sensitive species to emerge and tightly-furled leaves in grass weeds which do emerge following treatment. Established weeds are much less susceptible to metolachlor. Although grass weeds are more susceptible, S-metolachlor can provide control of certain small-seeded broadleaved weeds. Herbicidal activity is attributed to inhibition of cell division and elongation, due to blockage of protein synthesis associated with root growth and inhibitory effects on the synthesis of lipids and giberellins.

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